WAIT IS OVER: SANJAY DUTT PACKS A SOLID PUNCH IN BHOOMI TRAILER RANBIR KAPOOR, VIDHU VINOD CHOPRA, RAJKUMAR HIRANI ATTEND DUTT'S TRAILER LAUNCH   Mumbai: In what was truly a memorable event, 'Bhoomi' producers Bhushan Kumar and Sandeep Singh invited Ranbir Kapoor, Vidhu Vinod Chopra and Rajkumar Hirani to launch Sanjay Dutt’s comeback